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Modular Multilevel Converters as Active Filters to Mitigate Low Frequency Current Harmonics in Converter Fed Grid Applications

Bräckle, Dennis 1; Mersche, Stefan ORCID iD icon 1; Schnarrenberger, Mathias 1; Himmelmann, Patrick ORCID iD icon 1; Hiller, Marc 1
1 Karlsruher Institut für Technologie (KIT)


This paper describes a method to improve converter fed grid structures with Modular Multilevel Converters (MMC). In grids with decentralized energy production and bidirectional power flow, an increasing number of power electronic loads and sources make power quality an important issue to ensure grid stability. The MMC topology is highly suitable to meet the requirements of a low Total Harmonic Distortion (THD) and voltage stability due to its high quality output voltages. In combination with power line communication based on harmonic injection, MMCs compensate low frequency grid current harmonics and imbalances to improve the power quality. A standalone laboratoryscale converter-fed microgrid including low voltage MMCs shows the capability of the developed control

Postprint §
DOI: 10.5445/IR/1000084385
Veröffentlicht am 11.07.2018
Zitationen: 1
Cover der Publikation
Zugehörige Institution(en) am KIT Elektrotechnisches Institut (ETI)
Publikationstyp Proceedingsbeitrag
Publikationsdatum 05.07.2018
Sprache Englisch
Identifikator ISBN: 978-3-8007-4646-0
KITopen-ID: 1000084385
HGF-Programm 37.06.01 (POF III, LK 01) Networks and Storage Integration
Erschienen in PCIM Europe: International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, Nürnberg, 5.-7. Juni 2018
Verlag VDE Verlag
Seiten 218-225
Schlagwörter MMC; Converter Control; Active Filter; Grid Stability
Nachgewiesen in Scopus
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